CN202363581U - Antenna and terminal - Google Patents
Antenna and terminal Download PDFInfo
- Publication number
- CN202363581U CN202363581U CN 201120480831 CN201120480831U CN202363581U CN 202363581 U CN202363581 U CN 202363581U CN 201120480831 CN201120480831 CN 201120480831 CN 201120480831 U CN201120480831 U CN 201120480831U CN 202363581 U CN202363581 U CN 202363581U
- Authority
- CN
- China
- Prior art keywords
- distributing point
- antenna
- coupling circuit
- application
- electric current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/35—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses an antenna and a terminal. The antenna comprises the following structures: an antenna main body, a first feeding point connected onto the antenna main body, a second feeding point connected onto the antenna main body, a first coupling circuit connected with the first feeding point and a second coupling circuit connected with the second feeding point. The first coupling circuit is used for providing first current passing through the first coupling circuit for the first feeding point. The second coupling circuit is used for providing second current passing through the second coupling circuit for the second feeding point. The direction of the first current and the second current is opposite.
Description
Technical field
The application relates to moving communicating field, relates in particular to a kind of antenna and terminal.
Background technology
Along with the development of global IT application technology, end product has infiltrated people's life fully.Wherein, the mobile phone quick communication way that become most of people and adopted; Data card also becomes one of indispensable instrument of business people.The use of these portable terminals brings easily simultaneously in the life of giving people, has also brought some hidden danger.When people used these end products, these end products all can send radio wave to the base station, and these radio waves can produce radiation to human body, so, in Terminal Design, to the radiation of human body, be a vital aspect when reducing terminal works.
(Specific Absorbtion Ratio: be to measure human body when using the terminal specific absorption rate), the unit of quantity of the RF energy that is absorbed just is used to characterize the radiancy of terminal to human body to SAR.Another of terminal then is that (Total Radiated Power: total radiant power), what TRP reflected is the radiance in antenna far field to TRP by the performance that people paid close attention to.
In the prior art, in order to reduce the SAR value, there are following two kinds of schemes:
(1) in the terminal, adopts lower PIFA (the Planar Inverted F Antenna: antenna plane inverse-F) of SAR value; Then antenna is placed on the bottom, terminal; If find that in the design later stage SAR value exceeds standard, the power output that reduces antenna so just TRP value reduces the SAR value;
(2) absorbing material or radiation protective layer etc. on the surfaces coated of portable terminal are in order to prevent radiation.
In the process of technical scheme, the applicant finds to exist at least in the prior art following problem in realizing the application embodiment:
(1) because in prior art one; What adopt is to reach the technique effect that reduces the SAR value through reducing the technical scheme that TRP value just reduces the antenna power output, influences the antenna power output so influence the technical problem of terminal signaling transmission so exist;
(2) owing in prior art two, thereby employing is to come absorbed radiation to reduce the SAR value through absorbing material or radiation protective layer, so exist the production cost technical problems of high;
(3) because in prior art two; Thereby what adopt is to come absorbed radiation to reduce the SAR value through absorbing material or radiation protective layer; And absorbing material and radiation protective layer are when absorbed radiation; Also can absorb useful signal, so exist the technical problem that reduces the antenna power output, influences the terminal signaling transmission.
The utility model content
The application provides a kind of antenna and terminal, in order to solve in the prior art, is to reach the technical scheme that reduces the SAR value through reducing the TRP value owing to what adopt, and exists the technical problem that influences the antenna power output.
The application provides following technical scheme through the embodiment among the application:
On the one hand, the application provides following technical scheme through an embodiment among the application:
A kind of antenna comprises following structure:
Antenna body;
First distributing point is connected in said antenna body;
Second distributing point is connected in said antenna body;
First coupling circuit is connected in said first distributing point, and said first coupling circuit is used for first electric current through said first coupling circuit is offered said first distributing point;
Second coupling circuit is connected in said second distributing point, and said second coupling circuit is used for second electric current through said second coupling circuit is offered said second distributing point, and wherein, said first electric current is opposite with said second sense of current.
Further, said antenna also comprises:
Integrated coupler is connected in said first coupling circuit and said second coupling circuit, and said integrated coupler is used for first electric current to said first coupling circuit being provided, and second electric current is provided for said second coupling circuit.
Further, said first distributing point is connected in said antenna body through said first coupling circuit.
Further, said first distributing point and said second distributing point have 180 degree phase differences.
Further, said second distributing point is 1 to 2.
On the other hand, the application provides following technical scheme through another embodiment among the application:
A kind of terminal comprises following structure:
Pcb board;
Antenna, said antenna are arranged at above the said pcb board, and wherein said antenna specifically comprises:
Antenna body;
First distributing point is connected in said antenna body;
Second distributing point is connected in said antenna body;
First coupling circuit is connected in said first distributing point, and said first coupling circuit is used for first electric current through said first coupling circuit is offered said first distributing point;
Second coupling circuit is connected in said second distributing point, and said second coupling circuit is used for second electric current through said second coupling circuit is offered said second distributing point, and wherein, said first electric current is opposite with said second sense of current.
Further, said antenna also comprises:
Integrated coupler is connected in said first coupling circuit and said second coupling circuit, and said integrated coupler is used for first electric current to said first coupling circuit being provided, and second electric current is provided for said second coupling circuit.
Further, said first distributing point is connected in said antenna body through said first coupling circuit.
Further, said first distributing point and said second distributing point have 180 degree phase differences.
Further, said second distributing point is 1 to 2.
One or more technical schemes that the application provides have following technique effect or advantage at least:
(1) increases distributing point on the antenna owing to having adopted to be based on; And the coupling circuit through antenna is given the distributing point reverse feeding that increases newly; Thereby generate the technical scheme of a differential mode circuit, thereby so reached the technique effect that the interference of eliminating common-mode signal reduces the SAR value;
(2) increase distributing point on the antenna owing to having adopted to be based on; And the coupling circuit through antenna is given the distributing point reverse feeding that increases newly; Thereby generate the technical scheme of a differential mode circuit, can't reduce the antenna overall performance technique effect of TRP value just so reached when reducing the SAR value.
Description of drawings
Fig. 1 is the structure chart of a kind of antenna among the application embodiment one;
Fig. 2 is the structure chart of a kind of microstrip antenna among the application embodiment two;
Fig. 3 is the structure chart of a kind of support antenna among the application embodiment three;
Fig. 4 is the structure chart at a kind of terminal based on the support antenna among the application embodiment four;
Fig. 5 is the structure chart of a kind of data card based on microstrip antenna among the application embodiment five.
Embodiment
For those skilled in the art under making the application more are expressly understood the application,, the present techniques scheme is described in detail through specific embodiment below in conjunction with accompanying drawing.
Please refer to Fig. 1 the application embodiment one a kind of antenna is provided, as shown in Figure 1, said antenna comprises following structure:
First distributing point 102 is connected in said antenna body 101;
Second distributing point 103 is connected in said antenna body 101;
In the practical implementation process; First coupling circuit 104, second coupling circuit 105 are used for reverse current to first distributing point 102 and second distributing point 103 being provided, so form the differential mode circuit, thus utilize the pattern of differential mode circuit; Eliminate the interference of common-mode signal, reach the purpose that reduces the SAR value.
In the practical implementation process, the antenna here can comprise a variety of, such as monopole antenna, microstrip antenna, IFA (Inverted F Antenna: fall F) antenna, PIFA antenna etc.As long as technique effect that antenna reached that the said technical staff in this area is adopted and the technique effect among the application embodiment are equal to, all belong to the application's scope.
Further, in the practical implementation process,, can reach best differential mode circuit effect if the phase difference between said first distributing point 102 and said second distributing point 103 is 180 degree.Certainly; 180 degree only are a preferred embodiment; Do not limit for the phase difference between first distributing point 102 and second distributing point 103 in this application,, all belong in the application's the scope as long as can form the differential mode circuit between first distributing point 102 and second distributing point 103.
Further, in the practical implementation process, the number of said second distributing point 103 is preferably 1 to 2; Because if the distributing point on the antenna is too much, will cause the loss of antenna power bigger, at that time; In this application; Data to second distributing point 103 do not limit, as long as second distributing point 103 that those skilled in the art adopted can reach the effect that produces the differential mode circuit with first distributing point, all belong in the application's the scope.
Be respectively example below with the different antennas, come to introduce in detail the process of the differential mode circuit that forms based on different antennas.
Please refer to Fig. 2, the application embodiment two provides a kind of microstrip antenna, mainly comprises following structure:
First distributing point 202;
Second distributing point 203 is connected in said antenna body 201;
Wherein, first distributing point 202 links to each other with antenna body 201 through first coupling circuit 204;
In the practical implementation process; Based on different microstrip antenna designs; Spacing 206 between first coupling circuit 204 and second coupling circuit 205 can be different, based on the difference of this spacing 206, just can adjust the degree of coupling between first coupling circuit 204 and second coupling circuit 205; And then adjust first coupling circuit 204 and second coupling circuit 205, thereby reach the purpose that reduces the SAR value for the antenna receiving-sending Effect on Performance.
Further, in the practical implementation process,, can reach best differential mode circuit effect if the phase difference between said first distributing point 202 and said second distributing point 203 is 180 degree.Certainly; 180 degree only are a preferred embodiment; Do not limit for the phase difference between first distributing point 202 and second distributing point 203 in this application,, all belong to the application's scope as long as can form the differential mode circuit between first distributing point 202 and second distributing point 203.
Further, in the practical implementation process, the number of said second distributing point 203 is preferably 1 to 2; Because if the distributing point on the antenna is too much, will cause the loss of antenna power bigger, at that time; In this application; Data to second distributing point 203 do not limit, as long as second distributing point 203 that those skilled in the art adopted can reach the effect that produces the differential mode circuit with first distributing point, all belong in the application's the scope.
Please refer to Fig. 3, the application embodiment three provides a kind of support antenna, mainly comprises following structure:
Antenna body 301;
First distributing point 302;
Second distributing point 303 is connected in said antenna body 301;
First coupling circuit 304 is connected in said first distributing point 302, and said first coupling circuit 304 is used for first electric current through said first coupling circuit 304 is offered said first distributing point 302;
Second coupling circuit 305; Be connected in said second distributing point 303; Said second coupling circuit 305 is used for second electric current through said second coupling circuit 305 is offered said second distributing point 303, and wherein, said first electric current is opposite with said second sense of current;
Integrated coupler 306 is connected in said first coupling circuit 304 and said second coupling circuit 305, and said integrated coupler 306 is used for first electric current to said first coupling circuit 304 being provided, and second electric current is provided for said second coupling circuit 305.
In the practical implementation process, the size of the degree of coupling that can be through adjusting integrated coupler and then adjust first coupling circuit 304 and second coupling circuit 305, thus adjust the transmitting-receiving performance of antenna, and then reach the purpose of SAR value.
Further, in the practical implementation process,, can reach best differential mode circuit effect if the phase difference between said first distributing point 302 and said second distributing point 303 is 180 degree.Certainly; 180 degree only are a preferred embodiment; Do not limit for the phase difference between first distributing point 302 and second distributing point 303 in this application,, all belong to the application's scope as long as can form the differential mode circuit between first distributing point 302 and second distributing point 303.
Further, in the practical implementation process, the number of said second distributing point 303 is preferably 1 to 2; Because if the distributing point on the antenna is too much, will cause the loss of antenna power bigger, at that time; In this application; Data to second distributing point 303 do not limit, as long as second distributing point 303 that those skilled in the art adopted can reach the effect that produces the differential mode circuit with first distributing point, all belong in the application's the scope.
Please refer to Fig. 4, the application embodiment four provides a kind of terminal, mainly comprises following structure:
Antenna, said antenna are arranged at above the said pcb board, and wherein said antenna specifically comprises:
First distributing point 403 is connected in said antenna body 402;
Second distributing point 404 is connected in said antenna body 402;
Further, this antenna also comprises following structure:
Further, said first distributing point 403 has 180 degree phase differences with said second distributing point 404.
Further, said second distributing point 404 is 1 to 2.
In the practical implementation process, in the terminal among the application embodiment four employed antenna corresponding to the application implement one, two, antenna described in three.Because based on the application embodiment one, two, antenna described in three; The application one of ordinary skill in the art can learn the concrete structure and the version at the terminal among the application embodiment four; So as long as the technical staff belongs in the application's the scope based on the terminal of the antenna manufacturing among the application embodiment one, two, three under the application.
Please refer to Fig. 5, the application embodiment five provides a kind of data card, mainly comprises following structure:
Pcb board 501;
Microstrip antenna, said microstrip antenna are arranged at above the said pcb board 501, and wherein said antenna specifically comprises:
Antenna body 502;
First distributing point 503 is connected in said antenna body 502;
Second distributing point 504 is connected in said antenna body 502;
First coupling circuit 505 is connected in said first distributing point 503, and said first coupling circuit 505 is used for first electric current through said first coupling circuit 505 is offered said first distributing point 503;
Second coupling circuit 506; Be connected in said second distributing point 504; Said second coupling circuit 506 is used for second electric current through said second coupling circuit 506 is offered said second distributing point 504, and wherein, said first electric current is opposite with said second sense of current.
Further, said first distributing point 503 is connected in said day p line main body 502 through said first coupling circuit 505.
Further, said first distributing point 503 has 180 degree phase differences with said second distributing point 504.
Further, said second distributing point 504 is 1 to 2.
Certainly, in the practical implementation process, the terminal among the application is not limited to data card, also can be mobile phone, phone, computer etc., as long as the antenna that is adopted all belongs to the application's scope for the antenna among the application embodiment.
In the practical implementation process, in the data card among the application embodiment five employed antenna corresponding to the application implement one, two, antenna described in three.Because based on the application embodiment one, two, antenna described in three; The application one of ordinary skill in the art can learn the concrete structure and the version at the terminal among the application embodiment five; So as long as the technical staff belongs in the application's the scope based on the terminal of the antenna manufacturing among the application embodiment one, two, three under the application.
One or more technical schemes that the application provides have following technique effect or advantage at least:
(1) increases distributing point on the antenna owing to having adopted to be based on; And the coupling circuit through antenna is given the distributing point reverse feeding that increases newly; Thereby generate the technical scheme of a differential mode circuit, thereby so reached the technique effect that the interference of eliminating common-mode signal reduces the SAR value;
(2) increase distributing point on the antenna owing to having adopted to be based on; And the coupling circuit through antenna is given the distributing point reverse feeding that increases newly; Thereby generate the technical scheme of a differential mode circuit, can't reduce the antenna overall performance technique effect of TRP value just so reached when reducing the SAR value.
Although described the application's preferred embodiment, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the application's scope.
Obviously, those skilled in the art can carry out various changes and modification and the spirit and the scope that do not break away from the application to the application.Like this, belong within the scope of the application's claim and equivalent technologies thereof if these of the application are revised with modification, then the application also is intended to comprise these changes and modification interior.
Claims (10)
1. an antenna is characterized in that, comprising:
Antenna body;
First distributing point is connected in said antenna body;
Second distributing point is connected in said antenna body;
First coupling circuit is connected in said first distributing point, and said first coupling circuit is used for first electric current through said first coupling circuit is offered said first distributing point;
Second coupling circuit is connected in said second distributing point, and said second coupling circuit is used for second electric current through said second coupling circuit is offered said second distributing point, and wherein, said first electric current is opposite with said second sense of current.
2. antenna as claimed in claim 1 is characterized in that, said antenna also comprises:
Integrated coupler is connected in said first coupling circuit and said second coupling circuit, and said integrated coupler is used for first electric current to said first coupling circuit being provided, and second electric current is provided for said second coupling circuit.
3. antenna as claimed in claim 1 is characterized in that, said first distributing point is connected in said antenna body through said first coupling circuit.
4. antenna as claimed in claim 1 is characterized in that, said first distributing point and said second distributing point have 180 degree phase differences.
5. antenna as claimed in claim 1 is characterized in that, said second distributing point is 1 to 2.
6. a terminal is characterized in that, comprising:
Pcb board;
Antenna, said antenna are arranged at above the said pcb board, and wherein said antenna specifically comprises:
Antenna body;
First distributing point is connected in said antenna body;
Second distributing point is connected in said antenna body;
First coupling circuit is connected in said first distributing point, and said first coupling circuit is used for first electric current through said first coupling circuit is offered said first distributing point;
Second coupling circuit is connected in said second distributing point, and said second coupling circuit is used for second electric current through said second coupling circuit is offered said second distributing point, and wherein, said first electric current is opposite with said second sense of current.
7. terminal as claimed in claim 6 is characterized in that, said antenna also comprises:
Integrated coupler is connected in said first coupling circuit and said second coupling circuit, and said integrated coupler is used for first electric current to said first coupling circuit being provided, and second electric current is provided for said second coupling circuit.
8. terminal as claimed in claim 6 is characterized in that, said first distributing point is connected in said antenna body through said first coupling circuit.
9. terminal as claimed in claim 6 is characterized in that, said first distributing point and said second distributing point have 180 degree phase differences.
10. terminal as claimed in claim 6 is characterized in that, said second distributing point is 1 to 2.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120480831 CN202363581U (en) | 2011-11-28 | 2011-11-28 | Antenna and terminal |
| PCT/CN2012/072050 WO2013078793A1 (en) | 2011-11-28 | 2012-03-07 | Antenna and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120480831 CN202363581U (en) | 2011-11-28 | 2011-11-28 | Antenna and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202363581U true CN202363581U (en) | 2012-08-01 |
Family
ID=46574742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120480831 Expired - Fee Related CN202363581U (en) | 2011-11-28 | 2011-11-28 | Antenna and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202363581U (en) |
| WO (1) | WO2013078793A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019144656A1 (en) * | 2018-01-23 | 2019-08-01 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN112968285A (en) * | 2021-02-02 | 2021-06-15 | 维沃移动通信有限公司 | Electronic device |
| WO2021238347A1 (en) * | 2020-05-29 | 2021-12-02 | 华为技术有限公司 | Antenna and electronic device |
| WO2022156550A1 (en) * | 2021-01-22 | 2022-07-28 | 华为技术有限公司 | Electronic device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7557757B2 (en) * | 2005-12-14 | 2009-07-07 | The University Of Kansas | Inductively coupled feed structure and matching circuit for RFID device |
| US9419327B2 (en) * | 2010-03-18 | 2016-08-16 | Motti Haridim | System for radiating radio frequency signals |
-
2011
- 2011-11-28 CN CN 201120480831 patent/CN202363581U/en not_active Expired - Fee Related
-
2012
- 2012-03-07 WO PCT/CN2012/072050 patent/WO2013078793A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019144656A1 (en) * | 2018-01-23 | 2019-08-01 | 中兴通讯股份有限公司 | Antenna and terminal |
| WO2021238347A1 (en) * | 2020-05-29 | 2021-12-02 | 华为技术有限公司 | Antenna and electronic device |
| CN113745832A (en) * | 2020-05-29 | 2021-12-03 | 华为技术有限公司 | Antenna and electronic device |
| WO2022156550A1 (en) * | 2021-01-22 | 2022-07-28 | 华为技术有限公司 | Electronic device |
| CN112968285A (en) * | 2021-02-02 | 2021-06-15 | 维沃移动通信有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013078793A1 (en) | 2013-06-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20121128 |